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74 6. Shooting-Advanced Functions
zAdjust the shutter speed using the W or X arrow
when the image is underexposed (insufficient light)
or overexposed (too much light) and the correct
exposure cannot be obtained.
zThe nature of CCD image sensors is such that
noise in the recorded image increases at slow
shutter speeds. This camera, however, applies
special processing to images shot at shutter
speeds slower than 1.3 seconds to eliminate the
noise, thereby producing high-quality images.
Nevertheless, a certain amount of processing time
may be required before the next image can be shot.
zThe aperture value and shutter speed change
according to the zoom state as follows.
zThe fastest shutter speed for flash synchronization
is 1/250 second. The camera automatically resets
the shutter speed to 1/250 second if a faster speed
is selected.
Aperture value Shutter Speed (seconds)
Wide Angle End
*1
f/2.8 – f/3.5 to 1/1250
f/4.0 – f/8.0 to 1/2000
Telephoto End
*2
f/5.3 – f/7.1 to 1/1250
f/8.0 to 1/2000
*1
Maximum wide angle
*2
Maximum telephoto
Shutter Speed Display
The numbers in the table below indicate the shutter
speed in seconds. 1/160 indicates 1/160 second.
Also, quote marks indicate the decimal place, so that
0"3 indicates 0.3 second and 2" indicates 2 seconds.
See About the Safety Shift (p. 75).
Setting the Aperture
When you set the aperture in the aperture-priority AE
mode, the camera automatically selects a shutter
speed to match the brightness.
Selecting a lower aperture value (opening the
aperture) allows you to blur the background and
create a beautiful portrait. A higher aperture value
(closing it) brings the entire range from foreground to
background into focus. The larger the aperture value,
the greater the range of the image brought into clear
focus.
15" 13" 10" 8" 6" 5" 4" 3"2 2"5 2" 1"6 1"3 1"
0"8 0"6 0"5 0"4 0"3
1/4 1/5 1/6 1/8 1/10 1/13 1/15 1/20 1/25
1/30 1/40 1/50 1/60 1/80 1/100 1/125
1/160 1/200 1/250 1/320 1/400 1/500 1/640
1/800 1/1000 1/1250 1/1600 1/2000